Bump OpenTelemetry.Instrumentation.AspNetCore

Bumps [OpenTelemetry.Instrumentation.AspNetCore](https://github.com/open-telemetry/opentelemetry-dotnet) from 1.0.0-rc9.14 to 1.8.1.
- [Release notes](https://github.com/open-telemetry/opentelemetry-dotnet/releases)
- [Commits](open-telemetry/opentelemetry-dotnet@1.0.0-rc9.14...core-1.8.1)

---
updated-dependencies:
- dependency-name: OpenTelemetry.Instrumentation.AspNetCore
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

test/integrations/applications/SampleAspNetCoreApp/SampleAspNetCoreApp.csproj

@@ -21,7 +21,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="6.0.0" />
     <PackageReference Include="Microsoft.AspNetCore.Identity.UI" Version="6.0.0" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="6.0.0" />
-    <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.0.0-rc9.14" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.8.1" />
     <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.4.0" />
   </ItemGroup>
   <ItemGroup>